Finding the Third Proportional to 172,030.50 and 265,716

Step by Step Solution

1. Step 1: Write the proportion equation
   172,030.50 : 265,716 = 265,716 : x
2. Step 2: Convert to fraction form
   172,030.50/265,716 = 265,716/x
3. Step 3: Cross multiply
   172,030.50x = 265,716 × 265,716
4. Step 4: Simplify right side
   172,030.50x = 70,604,992,656
5. Step 5: Solve for x
   x = 70,604,992,656/172,030.50
6. Step 6: Final answer
   x = 410,421.37